PRESERVING A TERRA COTTA CORNICE BY MAKING EVERY UNIT COUNT: PEASE AUDITORIUM CASE STUDY

Transcription

1 PRESERVING A TERRA COTTA CORNICE BY MAKING EVERY UNIT COUNT: PEASE AUDITORIUM CASE STUDY

2 INTRODUCTION This case study is told through the following topics: Investigation Documentation Collaboration

3 BUILDING LOCATION Eastern Michigan University, Ypsilanti, MI National Register listed in 1974

4 BUILDING HISTORY Constructed in 1914 Architects: Smith, Hinchman & Grylls Live performance and campus events, excellent acoustics Renovated in 1959 and 1994; exterior work deferred

5 PROJECT CONDITIONS Water infiltration damaged interior plaster Quick fixes and bad repairs Concerns about public safety AREA OF WORK

6 PROJECT CONDITIONS Water infiltration damaged interior plaster Quick fixes and bad repairs Concerns about public safety AREA OF WORK Large piece of Terra Cotta cornice fell to the ground

7 INVESTIGATION Defined survey goals with the owner to: Determine cause(s) of damage Determine extent of damage Gather information to prepare bid documents

8 INVESTIGATION Visual survey Investigation of structure and anchoring Investigation of areas of water infiltration Detailed survey of unit types

9 INVESTIGATION Visual survey Investigation of structure and anchoring Investigation of areas of water infiltration Detailed survey of unit types

10 INVESTIGATION Visual survey Investigation of structure and anchoring Investigation of areas of water infiltration Detailed survey of unit types

11 INVESTIGATION Visual survey Investigation of structure and anchoring Investigation of areas of water infiltration Detailed survey of unit types

12 INVESTIGATION Visual survey Investigation of structure and anchoring Investigation of areas of water infiltration Detailed survey of unit types

13 INVESTIGATION Visual survey Investigation of structure and anchoring Investigation of areas of water infiltration Detailed survey of unit types

14 INVESTIGATION Visual survey Investigation of structure and anchoring Investigation of areas of water infiltration Detailed survey of unit types

15 INVESTIGATION Visual survey Investigation of structure and anchoring Investigation of areas of water infiltration Detailed survey of unit types

16 INVESTIGATION RESULTS Temporary scaffolding to protect the public Confirmed scope of work for documentation

17 DOCUMENTATION Point Cloud survey to generate base drawings 100% replacement of terra cotta at cornice Schedule of units to be replaced Sheet metal roofing at cornice 100% replacement of steel at cornice Structural Allowance for unknown conditions Allowance for additional repointing, repair, and replacement Alternates and amended scope

18 DOCUMENTATION Point Cloud survey to generate base drawings 100% replacement of terra cotta at cornice Schedule of units to be replaced Sheet metal roofing at cornice 100% replacement of steel at cornice Structural Allowance for unknown conditions Allowance for additional repointing, repair, and replacement Alternates and amended scope

19 DOCUMENTATION Point Cloud survey to generate base drawings 100% replacement of terra cotta at cornice Schedule of units to be replaced Sheet metal roofing at cornice 100% replacement of steel at cornice Structural Allowance for unknown conditions Allowance for additional repointing, repair, and replacement Alternates and amended scope

20 DOCUMENTATION Point Cloud survey to generate base drawings 100% replacement of terra cotta at cornice Schedule of units to be replaced Sheet metal roofing at cornice 100% replacement of steel at cornice Structural Allowance for unknown conditions Allowance for additional re-pointing, repair, and replacement Alternates and amended scope

21 DOCUMENTATION Point Cloud survey to generate base drawings 100% replacement of terra cotta at cornice Schedule of units to be replaced Sheet metal roofing at cornice 100% replacement of steel at cornice Structural Allowance for unknown conditions Allowance for additional repointing, repair, and replacement Alternates and amended scope

22 DOCUMENTATION Point Cloud survey to generate base drawings 100% replacement of terra cotta at cornice Schedule of units to be replaced Sheet metal roofing at cornice 100% replacement of steel at cornice Structural Allowance for unknown conditions Allowance for additional re-pointing, repair, and replacement Alternates and amended scope

23 DOCUMENTATION Point Cloud survey to generate base drawings 100% replacement of terra cotta at cornice Schedule of units to be replaced Sheet metal roofing at cornice 100% replacement of steel at cornice Structural Allowance for unknown conditions Allowance for additional repointing, repair, and replacement Alternates and amended scope

24 DOCUMENTATION Point Cloud survey to generate base drawings 100% replacement of terra cotta at cornice Schedule of units to be replaced Sheet metal roofing at cornice 100% replacement of steel at cornice Structural Allowance for unknown conditions Allowance for additional repointing, repair, and replacement Alternates and amended scope

25 CONTRACTOR SELECTION Mason as General Contractor versus Mason as Sub-Contractor Experience working with terra cotta Experience with historic buildings and construction

26 CONSTRUCTION Keep project goals at the forefront of decision-making Encourage input from all team members Respect and utilize expertise of all team members

27 CONSTRUCTION Keep project goals at the forefront of decision-making - Mortar mix design and constructability - Application of structural allowance - Schedule coordination

28 CONSTRUCTION Keep project goals at the forefront of decision-making Encourage input from all team members - Modifications to original terra cotta profiles Respect and utilize expertise of all team members

29 CONSTRUCTION Keep project goals at the forefront of decisionmaking Encourage input from all team members - Modifications to original terra cotta profiles

30 CONSTRUCTION Keep project goals at the forefront of decision-making Encourage input from all team members - Modifications to original terra cotta profiles

31 CONSTRUCTION Keep project goals at the forefront of decision-making Encourage input from all team members Respect and utilize expertise of all team members - Re-use, repair, replace

32 CONSTRUCTION Keep project goals at the forefront of decision-making Encourage input from all team members Respect and utilize expertise of all team members - Re-use, repair, replace

33 CONCLUSION Successful team approach resulted in: Damages repaired Causes eliminated Cost savings realized Expectations surpassed

34 CONCLUSION Masonry Institute of Michigan award for excellence in restoration

35 Questions and Discussion